[Downloads] Cleanup DownloadResourceHandler

content/browser/download/download_resource_handler.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 78 matching lines @@
   std::string DebugString() const;
 
  private:
   virtual ~DownloadResourceHandler();
 
   // Arrange for started_cb_ to be called on the UI thread with the
   // below values, nulling out started_cb_.  Should only be called
   // on the IO thread.
   void CallStartedCB(DownloadItem* item, net::Error error);
 
-  // If the content-length header is not present (or contains something other
-  // than numbers), the incoming content_length is -1 (unknown size).
-  // Set the content length to 0 to indicate unknown size to DownloadManager.
-  void SetContentLength(const int64& content_length);
-
-  void SetContentDisposition(const std::string& content_disposition);
-
   uint32 download_id_;
-  std::string content_disposition_;
-  int64 content_length_;
   // This is read only on the IO thread, but may only
   // be called on the UI thread.
   DownloadUrlParameters::OnStartedCallback started_cb_;
   scoped_ptr<DownloadSaveInfo> save_info_;
 
   // Data flow
   scoped_refptr<net::IOBuffer> read_buffer_;       // From URLRequest.
   scoped_ptr<ByteStreamWriter> stream_writer_; // To rest of system.
 
   // The following are used to collect stats.
   base::TimeTicks download_start_time_;
   base::TimeTicks last_read_time_;
   base::TimeTicks last_stream_pause_time_;
   base::TimeDelta total_pause_time_;
   size_t last_buffer_size_;
   int64 bytes_read_;
-  std::string accept_ranges_;
-  std::string etag_;
 
   int pause_count_;
   bool was_deferred_;
 
   // For DCHECKing
   bool on_response_started_called_;
 
   static const int kReadBufSize = 32768;  // bytes
   static const int kThrottleTimeMs = 200;  // milliseconds
 
   DISALLOW_COPY_AND_ASSIGN(DownloadResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_